11251220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{13721}}^1$

素因数の和:13771

約数の個数: 24

約数和(自身を含む): 24205608

約数和(自身を除く): 12954388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 13721, 27442, 54884, 68605, 137210, 274420, 562561, 1125122, 2250244, 2812805, 5625610, 11251220]

約数ペア:

[(1, 11251220), (2, 5625610), (4, 2812805), (5, 2250244), (10, 1125122), (20, 562561), (41, 274420), (82, 137210), (164, 68605), (205, 54884), (410, 27442), (820, 13721)]